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JPL Small-Body Database Browser
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39186 (2000 WK168)
Classification: Main-belt Asteroid          SPK-ID: 2039186
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09320966922635884 5.1875e-08  
a 2.729737217768306 1.7061e-08 au
q 2.475299314625241 1.3667e-07 au
i 4.815104829151057 5.3598e-06 deg
node 187.708294168397 4.1168e-05 deg
peri 152.8232532320577 4.656e-05 deg
M 186.0392839147552 2.4399e-05 deg
tp 2459796.528055394973
(2022-Aug-05.02805539)
0.00011528 TDB
period 1647.326513658201
4.51
1.5444e-05
4.228e-08
d
yr
n .2185359107712968 2.0488e-09 deg/d
Q 2.984175120911371 1.8651e-08 au
  Orbit Determination Parameters
   # obs. used (total)      911  
   data-arc span      9449 days (25.87 yr)  
   first obs. used      1994-06-09  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52908  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:41:00  

Additional Information
 Earth MOID = 1.46815 au 
 Jupiter MOID = 2.36174 au 
 T_jup = 3.343 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO412458  
diameter diameter 5.205 km 1.613 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39186 (2000 WK168)          Discovered 2000-Nov-25 by Spacewatch at Kitt Peak
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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